Seiko Cal. 6630 - 711

The 6630-711 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6630 caliber with 23j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-2a990718a222]

Also known as: Pogue, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1987

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